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2014年3月26日,由中国石油长城钻探工程公司工程技术研究院(以下简称工程院)承担的西气东输储气库工程楚资1井大直径扩孔技术服务顺利结束,取得圆满成功。在施工中,工程院创下进入西气东输钻井服务市场以来,大直径扩孔工具下井最深、扩孔段最长2项纪录,标志着该院具有自主知识产权的大直径扩孔技术已趋于成熟,新研发工具性能得到检验,服务领域进一步拓展。楚资1井扩孔作业是215.9mm井眼盐岩层段扩孔,要求井径达到244.5mm,属于非常规地层、大直径扩孔范畴,与常规
On March 26, 2014, the service of large-diameter reaming of Chu-1 well in West-East Gas Storage Project undertaken by Engineering Research Institute of Great Wall Drilling Engineering Company of China Petroleum (hereinafter referred to as “Engineering Institute”) was successfully completed with great success. During the construction, when the Institute of Engineering set a record for entering the west-east gas transmission service market, the large-diameter reaming tools went down the deepest with a maximum of 2 records of reaming sections, indicating that the large-diameter reaming technology with independent intellectual property rights of the institute has tended to Mature, new R & D tool performance has been tested, services to further expand. Reaming well of Chuzi-1 well is a reaming hole in 215.9mm wellbore salt rock formation, requiring a well diameter of 244.5mm, belonging to unconventional strata and large-diameter expanding borehole. Compared with conventional